2013002121224 has 8 divisors (see below), whose sum is σ = 3774378977310. Its totient is φ = 1006501060608.

The previous prime is 2013002121161. The next prime is 2013002121227. The reversal of 2013002121224 is 4221212003102.

It can be written as a sum of positive squares in only one way, i.e., 1377923822500 + 635078298724 = 1173850^2 + 796918^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2013002121196 and 2013002121205.

It is not an unprimeable number, because it can be changed into a prime (2013002121227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125812632569 + ... + 125812632584.

Almost surely, 2^{2013002121224} is an apocalyptic number.

It is an amenable number.

2013002121224 is a deficient number, since it is larger than the sum of its proper divisors (1761376856086).

2013002121224 is a wasteful number, since it uses less digits than its factorization.

2013002121224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251625265159 (or 251625265155 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2013002121224 its reverse (4221212003102), we get a palindrome (6234214124326).

The spelling of 2013002121224 in words is "two trillion, thirteen billion, two million, one hundred twenty-one thousand, two hundred twenty-four".